The black sea behind them was unusually quiet. Su Xiao took out a space probe. It resembled a dagger, except it had no guard and was slimmer and longer.
The space probe stabbed into the space ahead. After waiting a few seconds, Su Xiao pulled it out and found only a few black lines on the crystal probe. This represented the fact that the space here had not been seriously eroded by the abyss. It was nothing like the space near Shelter City. After the probe was inserted for a few seconds there, darkness would spread all the way to its hilt, making it unnecessary to pull it out for inspection.
Summoning an Ironblood Hound in that kind of environment was one thing; whether the Ironblood Hound of the underworld would respond was another. Even if it did, the moment it arrived, it would definitely pounce on Su Xiao first. The intensity of the spatial erosion clearly meant to kill the summoned party.
Ironblood Oath: After activating this oath, you will sign a contract with the Ironblood Hounds of the Underworld—Omen's Land and gain the qualifications to summon them to fight for you. In return, after each battle, you must pay one Strong One's Heart (minimum: the heart of an extremely powerful Strong One) as payment for that battle. If payment is not made, you will suffer the violent backlash of the Ironblood Hounds...
This oath was equal. More precisely, Su Xiao was temporarily hiring the Ironblood Hounds to assist him. They could refuse, and if they discovered that Su Xiao, the summoner, harbored ill intent, they could also cause the Ironblood Oath to shatter permanently.
Su Xiao released a trace of blood energy, forming the Ironblood Oath on the back of his left hand. He pressed one